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W-Cu Contacts for SF6 Switchgear

W-Cu Contacts for SF6 Switchgear
CuW material has good performance of withstand voltage and anti-arc ablation. The materials are most widely used as various types of switch arc contacts. Sirui has adopted vacuum infiltration technology to produce copper tungsten arcing contacts.And we can supply 200,000 pieces to the market yearly.
Product Details:

W-Cu Contacts for SF6 switchgear

CuW material has good performance of withstand voltage and anti-arc ablation. The materials are most widely used as various types of switch arc contacts. Our company has adopted vacuum infiltration technology to produce copper tungsten arcing  contacts.. And we can supply 200,000 pieces to the market yearly.


1.The chemical composition and properties  

 

Material

Chemical  Compositions (wt%)

 Mechanical  Properties

Cu

Oxygen

Nitrogen

Hardness

HB  (Mpa)

Density

(g/cm3)

Electrical  Conductivity

(Ms/m)

Flexural  Strength

(Mpa)

CuW60

40±2

——

——

≥140

≥12.75

≥27

——

CuW70

30±2

——

——

≥175

≥13.80

≥24.4

≥790

CuW80

20±2

——

——

≥220

≥15.15

≥22

≥980

CuW90

10±2

0.0050

0.0008

≥260

≥16.75

≥20

≥1160



2. main material:CuW80+Cu,CuW70+Cu,CuCuW75+Cu, CuW80+CuCr1,CuW70+CuCr1,CuCuW75+CuCr1

铜钨触头1.jpg铜钨开瓣触头2.jpg

3. W-Cu Contacts for SF6 switchgear can be customized   according to special design.

4. Samples can be offered.



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